update doc

aksnzhy · Oct 19, 2018 · 81c3864 · 81c3864
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commit 81c3864
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/large/index.rst b/large/index.rst
@@ -66,7 +66,11 @@ If you delete the ``--disk`` option, xLearn can train faster. ::
 
 In this time, the training of each epoch will only spend nearly ``1.8`` seconds.
 
-We can set the block size for on-disk training by using ``-block`` options.
+We can set the block size for on-disk training by using ``-block`` option.
+
+Users can also use ``--disk`` option in the prediction task: ::
+
+    ./xlearn_predict ./big_data_test.txt ./big_data.txt.model --disk
 
 Out-of-Core Learning Using xLearn Python API
 ===================================================